摘要:        
Little Joey invented a scrabble machine that he called Euler, after the great mathematician. In his primary school Joey heard about the nice story of     阅读全文
posted @ 2013-08-28 20:26
1002liu
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摘要:        
Morley’s theorem states that that the lines trisecting the angles of an arbitrary plane triangle meet at the vertices of an equilateral triangle. For     阅读全文
posted @ 2013-08-28 19:15
1002liu
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